1、2.4G Wireless Transmission: This wireless audio transmitter uses 2.4G technology to ensure HD sound quality and no delay transmission, reducing cable interference and clutter issues. 2、50 Meter Signal Distance: The wireless transmitter can transmit 2.0 analog stereo audio signal from RCA and 3.5mm audio interface to a receiver at a distance of 50 meter for listening. 3、RCA and 3.5mm Interface: Automatically connected after power on, supports RCA and 3.5mm port input and output, receiver can drive headphones, supports bidirectional volume control. 4、Antenna and Power Supply: Equipped with external antennas to ensure better transmission efficiency, equipped with Type C power interface and USB power supply cable, simple and practical. 5、Applicable Scenarios: This 2.4G wireless audio receiver and transmitter kit is widely used in home video, education, square broadcasting, stage performances, concerts and other venues.